4 Seasons Long Life Concentrated Summer Coolant and Anti-freeze is a concentrated aqueous solution min 95% MEG and 5% High performance corrosion inhibitor. 4 Seasons Concentrate is free of Nitrates. Nitrites. Phosphates. Amines and Borates and contains inhibiting salts in a super stabilized silicate solution. The requirements of ASTM D 3306 or ASTM D 4985. are fully met by this…
